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Isodate Function In Mongodb

Purpose

What Is ISO 8601 Format?

[YYYY]-[MM]-[DD]T[hh]:[mm]:[ss].[SSS]Z

1. YYYY → 4-digit year
2. MM → 2-digit month
3. DD → 2-digit day
4. T → Separator indicating the start of the time component
5. hh → 2-digit hour (24-hour format)
6. mm → 2-digit minute
7. ss → 2-digit second
8. SSS → 3-digit millisecond
9. Z → Indicates that the time is in UTC

Example

db.mycollection.insertOne({
    name: "Time 1",
    createdAt: ISODate("2023-06-03")
})

db.mycollection.insertOne({
    name: "Time 2",
    createdAt: ISODate("2023-06-03 12:23")
})

Output